Telco service providers also were on the positive side. Sprint ( S) led the pack, shooting up 11.2% to end the day at $3.97. Verizon ( VZ), which Alcatel-Lucent ( ALU) revealed as a client for its packet core technology, was closed up 3.4% to $31.22. AT&T ( T), which unveiled its new netbook lineup, rose 2.9% to $25.92. Deutsche Telekom ( DT) rose 2.5% to $12.66.